Asrock B550M-ITX/ac Socket AM4 mini ITX AMD B550

Data sheet

Width

170 mm

Depth

170 mm

Bluetooth

Yes

Bluetooth version

4.2

Wi-Fi

Yes

Audio output channels

7.1 channels

USB 2.0 ports quantity

2

Drivers included

Yes

Wi-Fi standards

802.11a
802.11b
802.11g
Wi-Fi 4 (802.11n)
Wi-Fi 5 (802.11ac)

Ethernet LAN (RJ-45) ports

1

HDMI ports quantity

1

Maximum internal memory

64 GB

DisplayPorts quantity

1

Ethernet LAN

Yes

HDCP

Yes

DisplayPort version

1.4

Processor manufacturer

AMD

On-board graphics card

Yes

Motherboard chipset

AMD B550

USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity

1

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity

3

Memory channels

Dual-channel

Audio chip

Realtek ALC887

Graphics card family

AMD

Graphics card

Radeon Vega

Processor socket

Socket AM4

RGB LED pin header

Yes

Ethernet interface type

Gigabit Ethernet

Number of SATA III connectors

4

Memory slots type

DIMM

DirectX version

12.0

Motherboard form factor

Mini ITX

Compatible processor series

3rd Generation AMD Ryzen 5
3rd Generation AMD Ryzen™ 3
3rd Generation AMD Ryzen™ 7
3rd Generation AMD Ryzen™ 9

Supported memory types

DDR4-SDRAM

Maximum number of SMP processors

1

Motherboard chipset family

AMD

Number of memory slots

2

Supported memory clock speeds

2133
2400
2667
2933
3200 MHz
3466
3600
3733
3800
3866
4000
4133
4200
4266
4333
4400 MHz
4466
4533
4600 MHz

USB 2.0 connectors

2

ATX Power connector (24-pin)

Yes

CPU fan connector

Yes

Front panel audio connector

Yes

Supported storage drive interfaces

M.2, Serial ATA III

PS/2 ports quantity

1

Unbuffered memory

Yes

Wake-on-LAN ready

Yes

LAN controller

Realtek RTL8111H

USB 3.2 Gen 1 (3.1 Gen 1) connectors

2

BIOS type

UEFI AMI

EPS power connector (8-pin)

Yes